DP Chemistry (last assessment 2024)

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Question 21M.1.sl.TZ1.23

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Date May 2021 Marks available [Maximum mark: 1] Reference code 21M.1.sl.TZ1.23
Level sl Paper 1 Time zone TZ1
Command term Identify Question number 23 Adapted from N/A
23.
[Maximum mark: 1]
21M.1.sl.TZ1.23

Which statements are correct for electrolysis?

I.   An exothermic reaction occurs.
II.  Oxidation occurs at the anode (positive electrode).
III. The reaction is non-spontaneous.

A.  I and II only

B.  I and III only

C.  II and III only

D.  I, II and III

[1]

Markscheme

C

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